Upon receiving a letter from Elliott Management, Cognizant in its response says it had an 'introductory discussion' with the firm and 'intends to review the letter carefully and respond in due course.'

At this year's re:Invent conference, which kicks off Tuesday, Amazon Web Service partners will be looking for more technical integrations and business guidance around the company's Internet of Things strategy.

Doron Kempel says selling hyper-convergence can be challenging for solution providers, but success will come from taking business from competitors that are unprepared or hesitant to embrace the technology.